If you count cute ... Baby, “All Your Base Are Belong to Us,” Hot or Not, and Star Wars Kid, to give you a sense of the era it was celebrating. YouTube helped launch some famed hamsters.

Cute features in babies and animals are more than just amusing—they trigger powerful evolutionary responses that help our species’ survival. ANIMALS Why we're hardwired to love baby animals ...

Tula-Tu, the elephant calf born earlier this month, is undeniably cute. But she isn’t the first baby animal to cause ... including the latest adorable arrival. Did we miss your favorite?